19860837

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{1783}}^1$

素因数の和:1912

約数の個数: 16

約数和(自身を含む): 27402240

約数和(自身を除く): 7541403

約数列:

[1, 3, 47, 79, 141, 237, 1783, 3713, 5349, 11139, 83801, 140857, 251403, 422571, 6620279, 19860837]

約数ペア:

[(1, 19860837), (3, 6620279), (47, 422571), (79, 251403), (141, 140857), (237, 83801), (1783, 11139), (3713, 5349)]